53050321 has 4 divisors (see below), whose sum is σ = 53065012. Its totient is φ = 53035632.

The previous prime is 53050307. The next prime is 53050343. The reversal of 53050321 is 12305035.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 4260096 + 48790225 = 2064^2 + 6985^2 .

It is a cyclic number.

It is not a de Polignac number, because 53050321 - 2⁵ = 53050289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53050391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2251 + ... + 10543.

It is an arithmetic number, because the mean of its divisors is an integer number (13266253).

Almost surely, 2^53050321 is an apocalyptic number.

It is an amenable number.

53050321 is a deficient number, since it is larger than the sum of its proper divisors (14691).

53050321 is an equidigital number, since it uses as much as digits as its factorization.

53050321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14690.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 53050321 is about 7283.5651297974. The cubic root of 53050321 is about 375.7474183561.

Adding to 53050321 its reverse (12305035), we get a palindrome (65355356).

The spelling of 53050321 in words is "fifty-three million, fifty thousand, three hundred twenty-one".